how can we make hydrogen cell

by rohit saxena
(delhi new delhi india )

sir please tell me how can v make hydrogen cell .and what the spacing between plates and how much hole we have to make in plates so that water can pass on every plates and what the size of that hole .what is the SIZE OF PLATE we need in 1.5 to 2.5 liter of engine and how much gas we need to give to our engine .what the size of spacer which metal we use for spacer and how much distance we have to make between oxygen sensor and exaust .